Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| adventure | to risk, to dare. |
| adventuresome | inclined to take risks. |
| apperil | (Shakesp.) peril. |
| apperill | (Shakesp.) peril. |
| chance | that which happens or results without assignable cause (verb) to risk |
| chancily | (Adv.) CHANCY, risky, uncertain. |
| chancy | risky, uncertain. |
| danger | peril, hazard; (verb, arch.) to endanger. |
| dangerless | without danger. |
| dangerous | full of danger. |
| dangerously | (Adv.) DANGEROUS, full of danger. |
| dicey | risky. |
| endanger | to imperil. |
| endangerer | one who endangers. |
| hazard | a risk, a danger; (verb) to venture. |
| hazardable | liable to hazard or chance; uncertain; risky. |
| hazarder | one who hazards. |
| hazardize | (Spenser) a hazardous position, a condition of peril or risk. |
| hazardous | dangerous. |
| hazardously | (Adv.) HAZARDOUS, dangerous. |
| hazmat | hazardous material. |
| imperil | to endanger. |
| imperilment | the act of imperilling. |
| jeopard | to put in jeopardy; to imperil. |
| jeopardise | to expose to loss or injury. |
| jeopardize | to expose to loss or injury. |
| jeopardous | (Obs.) perilous; hazardous. |
| jeopardously | (Adv.) JEOPARDOUS, perilous. |
| jeopardy | exposure to or imminence of death, loss, or injury; the danger that an accused person is subjected to when on trial; (verb) to put into jeopardy. |
| micromort | a unit of risk equal to a one in a million chance of dying. |
| parlous | perilous. |
| parlously | (Adv.) PARLOUS, perilous. |
| periclitate | (Arch.) to endanger; to jeopardise. |
| periculous | (Obs.) dangerous. |
| peril | danger; (verb) to expose to danger. |
| perilous | dangerous. |
| perilously | (Adv.) PERILOUS, dangerous. |
| perlous | (Spenser) perilous. |
| precarious | insecure, uncertain. |
| precariously | (Adv.) PRECARIOUS, insecure, uncertain. |
| risk | a chance of injury or loss (verb) to expose to a risk |
| risker | one who risks or hazards. |
| riskless | lacking in risk. |
| risque | (Fr.) bordering on the unseemly; (noun, obs.) risk. |
| steepeup | (Shakesp.) precipitous or perilous. |
| steepup | (Shakesp.) precipitous or perilous. |
| tossup | an even chance or risk. |
| ultrahazardous | extremely hazardous. |
| unhazardous | not hazardous. |
| unperilous | not perilous. |
| venture | to risk. |
| venturesome | involving risk. |
| venturesomely | (Adv.) VENTURESOME, involving risk. |
| venturesomeness | the state of being venturesome. |
| wager | to risk on an uncertain outcome. |
| wanchancie | (Scots) unlucky, dangerous, uncanny. |
| wanchancy | (Scots) unlucky, dangerous, uncanny. |